* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
ul li {
  list-style: none;
}
ul li a {
  text-decoration: none;
}
header {
  position: sticky;
  top: 0;
  z-index: 9;
}
#container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
#container #header {
  position: sticky;
  top: 0;
  z-index: 9;
}
#container #content {
  width: 1280px;
  margin: 0 auto;
  padding: 20px 10px;
  text-align: left;
}
#container #content .news_top {
  margin-bottom: 20px;
}
#container #content .news_top h1 {
  margin-bottom: 10px;
}
#container #content .news_top p {
  color: #858585;
}
#container #content .description {
  line-height: 1.5;
  font-size: 14px;
  background-color: #fff;
  padding: 8px;
  border-radius: 8px;
  margin: 20px 0;
  box-shadow: 0 0 6px 0 rgba(0, 0, 0, 0.3);
}
#container #content .news-content img {
  height: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
}
#container #footer {
  margin-top: auto;
}
@media (max-width: 68.75rem) {
  #container #footer {
    transition: 0.3s;
    display: none;
  }
  #container #rightside {
    transition: 0.3s;
    display: none;
  }
}
footer {
  margin-top: auto;
}
@media (max-width: 68.75rem) {
  footer {
    transition: 0.3s;
    display: none;
  }
  #rightside {
    transition: 0.3s;
    display: none;
  }
}
